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Offline Jean Giraud  
#1 Posted : 31 March 2016 17:02:59(UTC)
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Working with "stack"

Jean

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Offline Alex M.  
#2 Posted : 31 March 2016 17:09:51(UTC)
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Makes me wonder if summation (and other) error(s) for the result of stack is a bug that needs to be resolved

Actually nevermind, this seems to be resolved in the latest build:
stackJean.png

P.S.: love the new square [] brackets for matricies

Edited by user 31 March 2016 17:14:34(UTC)  | Reason: Not specified
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Offline Jean Giraud  
#3 Posted : 31 March 2016 19:25:24(UTC)
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... I can see some "improvement" ? in your latest Smath.
The old style is valid too, more flexible ? to be checked

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Offline Alex M.  
#4 Posted : 31 March 2016 19:40:17(UTC)
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Originally Posted by: Jean Giraud Go to Quoted Post
... I can see some "improvement" ? in your latest Smath.


Pun intended ? Did not get this. Also it is not "my Smath" by any stretch - all is Andrey's hard work.

Anyway I did not get your post - just my slow mind I guess.
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Offline Jean Giraud  
#5 Posted : 01 April 2016 03:21:24(UTC)
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Unlike "augment" that is a conclusive operation, "stack" is not a conclusive operation.
Unless "List is vectorised", as defined it is NOT a vector even if it displays as vector.
"List is a scalar vector". So, it won't sum. The module V(List) creates "List" as a vector,
then suited for sum. In the definition u:=1..5 ,,,, u is anything and nothng unless ASSIGNED
active [per say valued]. That's why the error message "Must be a vector" .
"Must be a vector" whether by the vectorising operator or by user creation.

Jean
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